19997232105

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12230723}}^1$

素因数の和:12230840

約数の個数: 16

約数和(自身を含む): 32289111360

約数和(自身を除く): 12291879255

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12230723, 36692169, 61153615, 183460845, 1333148807, 3999446421, 6665744035, 19997232105]

約数ペア:

[(1, 19997232105), (3, 6665744035), (5, 3999446421), (15, 1333148807), (109, 183460845), (327, 61153615), (545, 36692169), (1635, 12230723)]